Display screen of a modular infusion device with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof of a modular infusion device with graphical user interface, showing the new design.

The outermost broken-line rectangle illustrates the perimeter of a display screen or portion thereof, and forms no part of the claimed design. The remaining broken lines illustrate portions of a graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a display screen of a modular infusion device with graphical user interface, as shown and described. 